As a field of science, biology helps us understand the living world and the ways its many species (including humans) function, evolve, and interact. Advances in medicine, agriculture, biotechnology, …

Mar 20, 2026 · Biology, study of living things and their vital processes that deals with all the physicochemical aspects of life. Modern principles of other fields, such as chemistry, medicine, and …

Mar 30, 2026 · Marine biology, the science that deals with animals and plants that live in the sea. It also deals with airborne and terrestrial organisms that depend directly upon bodies of salt water for food …

Botany, branch of biology that deals with the study of plants, including their structure, properties, and biochemical processes. The principles and findings of botany have provided the base for such …

Mar 24, 2026 · Taxonomy, in a broad sense the science of classification, but more strictly the classification of living and extinct organisms. The internationally accepted taxonomic nomenclature is …

Mar 10, 2026 · Evolution, theory in biology postulating that the various types of living things on Earth have their origin in other preexisting types and that the distinguishable differences are due to …

Feb 16, 2026 · Biomolecule, any of numerous substances that are produced by cells and living organisms. Biomolecules have a wide range of sizes and structures and perform a vast array of …

Phylogenetics, in biology, the study of the ancestral relatedness of groups of organisms, whether alive or extinct. Classification of the natural world into meaningful and useful categories has long been a …

Mar 13, 2026 · Population, in human biology, the whole number of inhabitants occupying an area (such as a country or the world) and continually being modified by increases (births and immigrations) and …

Feb 13, 2026 · Ecology, study of the relationships between organisms and their environment. Some of the most pressing problems in human affairs—expanding populations, food scarcities, environmental …